Bruno Mars' mother dies of brain aneurysm

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Bruno Mars performs during the 2012 Concert for the Rainforest Fund at Carnegie Hall.

Story highlights

Bruno Mars was just 4 when he began performing as an Elvis impersonator

Mars grew up in Hawaii and moved to Los Angeles to write songs

It's not clear whether his scheduled tour will be affected by his mom's death

The mother of Grammy-winning singer Bruno Mars died of a brain aneurysm in a Honolulu, Hawaii, hospital Saturday, a Mars representative told CNN Sunday. Bernadette Hernandez was 55.

Mars -- born Peter Gene Hernandez in Hawaii 27 years ago -- was just 4 when he began performing in his family's show as an Elvis impersonator.

He moved to Los Angeles as a young adult to write and produce for other artists, but his last three years have been his most successful.

His debut album for Atlantic Records, "Doo-Wops & Hooligans," includes "Just The Way You Are," which won him a Grammy for best male pop vocal performance in 2010. The album and his hit single "Grenade" were nominated for three Grammys in 2011.